package com.ali.gulimall.auth.controller;

import com.ali.common.utils.R;
import com.ali.common.vo.MemberResponseVo;
import com.ali.gulimall.auth.feign.MemberFeignServer;
import com.ali.gulimall.auth.utils.HttpUtils;
import com.ali.gulimall.auth.vo.SocialUser;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;

import static com.ali.common.constant.AuthServerConstant.LOGIN_USER;

/**
 * 处理社交登录请求
 */
@Slf4j
@Controller
public class OAuth2Controller {

    @Autowired
    private MemberFeignServer memberFeignService;


    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code, HttpSession session) throws Exception {
        //根据code获取到accessToken
        Map<String, String> map = new HashMap<>();
        map.put("client_id", "75cd7ca48d61cb71db87723d1ff6df00056666db279cf0319d2f81070b74733f");
        map.put("client_secret", "140d7dd10f88d9a2371f1bd524a5897579518472b4553a9572ad30e78f95ac9c");
        map.put("grant_type", "authorization_code");
        map.put("redirect_uri", "http://auth.gulimall.com/oauth2.0/weibo/success");
        map.put("code", code);

        HttpResponse response = HttpUtils.doPost("https://gitee.com", "/oauth/token", "post", new HashMap<String, String>(), map, new HashMap<String, String>());

        //2.处理根据code获取到accessToken
        if (response.getStatusLine().getStatusCode() == 200) {
            //获取成功
            String json = EntityUtils.toString(response.getEntity());
            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);
            //知道了哪个社交用户
            //1）、当前用户如果是第一次进网站，自动注册进来（为当前社交用户生成一个会员信息，以后这个社交账号就对应指定的会员）
            //登录或者注册这个社交用户
            System.out.println(socialUser.getAccess_token());
            //调用远程服务
            R oauthLogin = memberFeignService.oauthLogin(socialUser);
            if (oauthLogin.getCode() == 0) {
                MemberResponseVo data = oauthLogin.getData("data", new TypeReference<MemberResponseVo>() {
                });
                log.info("data:"+data);
                log.info("登录成功：用户信息：{}", data.toString());

                //1、第一次使用session，命令浏览器保存卡号，JSESSIONID这个cookie
                //以后浏览器访问哪个网站就会带上这个网站的cookie
                //TODO 1、默认发的令牌。当前域（解决子域session共享问题）
                //TODO 2、使用JSON的序列化方式来序列化对象到Redis中
                session.setAttribute(LOGIN_USER, data);

                //2、登录成功跳回首页
                return "redirect:http://gulimall.com";


            } else {
                return "redirect:http://auth.gulimall.com/login.html";
            }

        }
        return "redirect:http://auth.gulimall.com/login.html";
    }


}
